Relativity Acquisition Corp. SPAC and Instinct Bio Technical Co. Announce Effectiveness of Registration Statement

Las Vegas, NV, Tokyo, Japan, Nov. 12, 2025 (GLOBE NEWSWIRE) -- Special purpose acquisition company, Relativity Acquisition Corp. (“Relativity”), and Instinct Bio Technical Company Inc. (“Instinct Bio”) today announced that on November 12, 2025, the registration statement on Form F-4, as amended (the “Registration Statement”), in connection with Relativity’s previously announced proposed business combination (the “Business Combination”) with Instinct Brothers Co., Ltd. (“Instinct Brothers”), a vertically integrated stem cell skincare and wellness  company headquartered in Tokyo, Japan, became effective. 

Upon the closing of the Business Combination, the combined company will operate under the name Instinct Bio Technical Company Holdings Inc. and intends to list its ordinary shares on the NASDAQ Stock Exchange under the ticker symbol ‘BIOT’.

The Registration Statement, which includes the proxy statement/prospectus, provides detailed information regarding the proposed Business Combination and the related shareholder vote, and is available on the SEC’s website at www.sec.gov.

About Instinct Brothers

Instinct Brothers is a vertically integrated Japanese company specializing in stem cell skincare and wellness products, encompassing research and development, manufacturing, distribution, retail, and clinical applications.  Founded in 2011, with its focus on stem cell skincare and wellness products beginning in 2017, Instinct Brothers is led by industry expert Tomoki Nagano, Chairman and Group Chief Executive Officer, with a vision to drive innovation in regenerative medicine. The mission of Instinct Brothers is to advance stem cell science, enhance patient outcomes, and pioneer the next generation of stem cell-based therapies.

About Relativity Acquisition Corp.

Relativity Acquisition Corp. is a blank check company sponsored by Relativity Acquisition Sponsor LLC, a Delaware limited liability company, formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses.

Additional Information and Where to Find It

In connection with the Business Combination,  Relativity Holdings Inc., (“Pubco”) and Instinct Bio have filed the Registration Statement with the SEC, which includes a preliminary prospectus with respect to its securities to be issued in connection with the Business Combination and a preliminary proxy statement with regard to Relativity’s stockholder meeting at which Relativity’s stockholders will be asked to vote on the Business Combination. Relativity’s investors, stockholders and other interested persons are advised to read the Registration Statement, including the proxy statement/prospectus, any amendments thereto and any other documents filed with the SEC, because these documents will contain important information about the proposed Business Combination. Relativity will mail the definitive proxy statement/prospectus to stockholders of Relativity as of a record date to be established for voting on the business combination. Relativity stockholders will also be able to obtain a copy of such documents, without charge, by directing a request to: Relativity Acquisition Corp., 3753 Howard Hughes Parkway, Suite 200 Las Vegas, Nevada 89169; e-mail: [e-mail]. These documents, once available, can also be obtained, without charge, at the SEC’s website www.sec.gov.